Change pack
Cornerstone Sep 15 - 21 25 questions
PDF (questions) PDF (answers)

Monday 15 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄7 + 3⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 6x + 6 = 66

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 13cm. Give your answer to 2 decimal places

    Answer: 15.26cm
  4. 4. Ratio

    Divide 80 in the ratio 1:2:2

    Answer: 16, 32 and 32
  5. 5. Statistics

    Calculate the mean of: 25, 10, 32, 30, 14, 48, 48. Give your answer to 2 decimal places

    Answer: 29.57

Tuesday 16 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄3 + 3⁄8

    Answer: 25⁄24
  2. 2. Algebra

    Solve: 5x + 3 = 58

    Answer: x = 11
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 20cm

    Answer: 25cm
  4. 4. Ratio

    Divide 171 in the ratio 3:2:4

    Answer: 57, 38 and 76
  5. 5. Statistics

    Calculate the mean of: 11, 32, 24, 25, 42, 36. Give your answer to 2 decimal places

    Answer: 28.33

Wednesday 17 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄7 + 1⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 2x - 13 = 13

    Answer: x = 13
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 12cm. Give your answer to 2 decimal places

    Answer: 14.42cm
  4. 4. Ratio

    Divide 126 in the ratio 1:3:3

    Answer: 18, 54 and 54
  5. 5. Statistics

    Find the mean of: 13, 2, 21

    Answer: 12

Thursday 18 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄10 + 2⁄10

    Answer: 2⁄5
  2. 2. Algebra

    Solve: 2x - 11 = 11

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 8.54cm
  4. 4. Ratio

    Divide 112 in the ratio 4:1:2

    Answer: 64, 16 and 32
  5. 5. Statistics

    Find the mean of: 3, 19, 15, 1, 12

    Answer: 10

Friday 19 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄4 + 3⁄5

    Answer: 17⁄20
  2. 2. Algebra

    Solve: 5x + 13 = 33

    Answer: x = 4
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio

    Divide 153 in the ratio 4:1:4

    Answer: 68, 17 and 68
  5. 5. Statistics

    Calculate the mean of: 44, 5, 42, 38, 12, 14, 28. Give your answer to 2 decimal places

    Answer: 26.14